CA1314377C - Procede et dispositif de moulage/coulage a moules reglables - Google Patents

Procede et dispositif de moulage/coulage a moules reglables

Info

Publication number: CA1314377C
Authority: CA; Canada
Prior art keywords: dies; bore; casting; gate channel; molding
Prior art date: 1988-03-02
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA000592461A

Other languages

English (en)

Inventor

Jeffrey M. Kingsbury

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Pilkington Visioncare Holdings Inc

Original Assignee

Pilkington Visioncare Holdings Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1988-03-02

Filing date

1989-03-01

Publication date

1993-03-16

1989-03-01 Application filed by Pilkington Visioncare Holdings Inc filed Critical Pilkington Visioncare Holdings Inc

1993-03-16 Application granted granted Critical

1993-03-16 Publication of CA1314377C publication Critical patent/CA1314377C/fr

2010-03-16 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000005266 casting Methods 0.000 title claims abstract description 65
238000000465 moulding Methods 0.000 title claims abstract description 43
238000000034 method Methods 0.000 title abstract description 17
230000003287 optical effect Effects 0.000 claims abstract description 15
239000000463 material Substances 0.000 claims description 35
239000012778 molding material Substances 0.000 claims description 32
230000002093 peripheral effect Effects 0.000 claims description 23
238000007789 sealing Methods 0.000 claims description 19
238000004519 manufacturing process Methods 0.000 claims description 12
230000006835 compression Effects 0.000 claims description 5
238000007906 compression Methods 0.000 claims description 5
230000009969 flowable effect Effects 0.000 claims description 4
238000003780 insertion Methods 0.000 abstract description 9
230000037431 insertion Effects 0.000 abstract description 9
150000001875 compounds Chemical class 0.000 abstract description 8
238000000748 compression moulding Methods 0.000 abstract description 2
230000000694 effects Effects 0.000 abstract 2
238000002347 injection Methods 0.000 abstract 1
239000007924 injection Substances 0.000 abstract 1
239000000126 substance Substances 0.000 abstract 1
208000015943 Coeliac disease Diseases 0.000 description 7
238000006243 chemical reaction Methods 0.000 description 3
239000007789 gas Substances 0.000 description 2
239000007788 liquid Substances 0.000 description 2
239000004033 plastic Substances 0.000 description 2
241001527902 Aratus Species 0.000 description 1
241001282736 Oriens Species 0.000 description 1
240000004543 Vicia ervilia Species 0.000 description 1
238000013459 approach Methods 0.000 description 1
238000006555 catalytic reaction Methods 0.000 description 1
230000000295 complement effect Effects 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000012937 correction Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
KVFIJIWMDBAGDP-UHFFFAOYSA-N ethylpyrazine Chemical compound CCC1=CN=CC=N1 KVFIJIWMDBAGDP-UHFFFAOYSA-N 0.000 description 1
230000009477 glass transition Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
229920000515 polycarbonate Polymers 0.000 description 1
239000004417 polycarbonate Substances 0.000 description 1
238000004886 process control Methods 0.000 description 1
108090000623 proteins and genes Proteins 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
229920001169 thermoplastic Polymers 0.000 description 1
239000012815 thermoplastic material Substances 0.000 description 1
229920001187 thermosetting polymer Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000013022 venting Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/0048—Moulds for lenses
- B29D11/00528—Consisting of two mould halves joined by an annular gasket
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0055—Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/34—Feeding the material to the mould or the compression means
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
- Y10S425/808—Lens mold

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Health & Medical Sciences (AREA)
Manufacturing & Machinery (AREA)
Ophthalmology & Optometry (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Casting Or Compression Moulding Of Plastics Or The Like (AREA)

CA000592461A 1988-03-02 1989-03-01 Procede et dispositif de moulage/coulage a moules reglables Expired - Fee Related CA1314377C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US163,308		1980-06-26
US07/163,308 US4839110A (en)	1988-03-02	1988-03-02	Method of molding using gated dies

Publications (1)

Publication Number	Publication Date
CA1314377C true CA1314377C (fr)	1993-03-16

Family

ID=22589433

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000592461A Expired - Fee Related CA1314377C (fr)	1988-03-02	1989-03-01	Procede et dispositif de moulage/coulage a moules reglables

Country Status (2)

Country	Link
US (1)	US4839110A (fr)
CA (1)	CA1314377C (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH10315252A (ja) *	1997-05-20	1998-12-02	Menicon Co Ltd	レンズブランク成形用型及びコンタクトレンズの製造方法
GB9819415D0 (en) *	1998-09-07	1998-10-28	Ici Plc	A mould and apparatus thereof
US7077985B2 (en) *	2000-05-30	2006-07-18	Vision-Ease Lens	Injection molding of lens
US6390621B1 (en)	2000-05-30	2002-05-21	Vision-Ease Lens, Inc.	Manufacturing of positive power ophthalmic lenses
US6767489B2 (en) *	2002-07-29	2004-07-27	Lexmark International, Inc.	Method to mold round polyurethane rollers free of injection gates, parting lines and bubbles
US7858001B2 (en) *	2003-09-09	2010-12-28	Insight Equity A.P.X., L.P.	Photochromic lens
ES2544317T3 (es)	2003-09-09	2015-08-28	Insight Equity A.P.X., Lp	Laminado de poliuretano fotocrómico
EP1874984A2 (fr)	2005-03-04	2008-01-09	Vision-Ease Lens, Inc.	Methode de formation de tranches laminees polymeres comprenant differents materiaux de film
US8679564B2 (en) *	2009-09-11	2014-03-25	Mars, Incorporated	Pet food product bandolier
JP5836067B2 (ja) *	2011-10-31	2015-12-24	株式会社エンプラス	光束制御部材、発光装置、面光源装置および表示装置
TWI488730B (zh) *	2011-12-12	2015-06-21	Largan Precision Co Ltd	塑膠光學鏡片及其射出成型方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2530181A1 (fr) *	1982-07-16	1984-01-20	Essilor Int	Procede et dispositif pour le moulage d'un element optique en matiere synthetique
US4664854A (en) *	1986-01-06	1987-05-12	Neolens, Inc.	Injection molding equipment and method

1988
- 1988-03-02 US US07/163,308 patent/US4839110A/en not_active Expired - Lifetime
1989
- 1989-03-01 CA CA000592461A patent/CA1314377C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US4839110A (en)	1989-06-13

Legal Events

Date	Code	Title	Description
2001-03-16	MKLA	Lapsed

Publication	Publication Date	Title
CA1314377C (fr)	1993-03-16	Procede et dispositif de moulage/coulage a moules reglables
US5415817A (en)	1995-05-16	Process for molding plastic lenses
CA1291603C (fr)	1991-11-05	Fabrication de composants optiques thermoplastiques par moulage a injection/compression
EP0341880A3 (fr)	1991-07-03	Corps moulé par injection multiple, procédé de moulage et machine de moulage
EP0353748A3 (fr)	1991-09-04	Procédé pour obtenir un hologramme à effet flamboyant
CA2147177A1 (fr)	1994-04-28	Procede de production d'outils ou de moules a temperature controlee pour la production de pieces moulees en plastique, et outils ou moules connexes
JPH07137179A (ja)	1995-05-30	２つの部材を移動可能に連結した組立体を製造する方法
EP0780215B1 (fr)	2001-05-30	Moule à entrée d'injection annulaire pour l'injection de lentilles de contact
CA2195458A1 (fr)	1996-02-08	Procede et appareil de fabrication d'un article moule par injection dote d'un film externe
JP3343491B2 (ja)	2002-11-11	射出成形品及びその成形方法
EP0825013B1 (fr)	2003-05-07	Moule d'injection multiple avec surface courbée fabriqué dans un pièce de polymère
US3871060A (en)	1975-03-18	Method of constructing mold for forming plastic foam parts
DE60018280T2 (de)	2006-04-06	Verfahren zum giessen von opthalmischen linsen
US6390621B1 (en)	2002-05-21	Manufacturing of positive power ophthalmic lenses
GB2219241A (en)	1989-12-06	Method and apparatus for moulding and casting using gated dies, and for moulding constant thickness lenses
US5798129A (en)	1998-08-25	Device for prototype molding
DK0402645T3 (da)	1996-01-29	Apparat til påstøbning af en termoplastisk genstand
JPS6119409B2 (fr)	1986-05-17
CA2157074C (fr)	1999-05-25	Procede et dispositif de moulage par injection de pieces percees de petits trous
US4805869A (en)	1989-02-21	Apparatus for manufacturing of tape dispenser
JP2569729B2 (ja)	1997-01-08	光学部品及びその製造方法
JP2678671B2 (ja)	1997-11-17	射出成形型の製造方法
RU2035310C1 (ru)	1995-05-20	Способ изготовления передних частей оправ методом литья под давлением и литьевая пресс-форма
CA1093769A (fr)	1981-01-20	Methode et appareil de moulage de lentilles par injection
GB1577522A (en)	1980-10-22	Injection moulding of lenses